Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listNov 12, 2024 22:51

Manuel Pepe

Score: 28,908

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 14, 2024 01:07	28,842	120,365,180	90,288,000	2,006,000	2,330,624
2	Nov 12, 2024 22:34	28,842	117,756,386	91,292,000	1,003,000	2,330,624
3	Nov 14, 2024 01:07	28,857	121,649,274	91,339,000	1,003,000	2,486,272
4	Nov 12, 2024 22:50	28,868	116,927,091	91,373,000	1,004,000	2,490,368
5	Nov 12, 2024 22:50	28,869	113,000,072	89,370,000	3,012,000	2,478,080
6	Nov 12, 2024 22:51	28,875	119,112,686	92,400,000	0	2,330,624
7	Nov 12, 2024 22:50	28,883	116,824,470	90,417,000	2,009,000	2,482,176
8	Nov 14, 2024 01:07	28,885	118,716,955	91,428,000	1,004,000	2,330,624
9	Nov 12, 2024 22:50	28,886	114,991,001	91,431,000	1,004,000	2,330,624
10	Nov 12, 2024 22:50	28,886	115,460,785	91,432,000	1,004,000	2,330,624
11	Nov 14, 2024 01:07	28,892	115,105,435	92,453,000	0	2,490,368
12	Nov 12, 2024 22:50	28,895	115,908,484	91,458,000	1,005,000	2,330,624
13	Nov 12, 2024 22:34	28,896	117,451,965	92,468,000	0	2,482,176
14	Nov 12, 2024 22:34	28,903	113,343,747	91,486,000	1,005,000	2,490,368
15	Nov 12, 2024 22:34	28,907	118,562,032	92,501,000	0	2,330,624
16	Nov 12, 2024 22:50	28,908	116,204,905	91,499,000	1,005,000	2,482,176
17	Nov 12, 2024 22:34	28,911	117,175,602	90,505,000	2,011,000	2,330,624
18	Nov 12, 2024 22:34	28,911	114,496,884	91,510,000	1,005,000	2,301,952
19	Nov 14, 2024 01:07	28,911	115,978,850	91,509,000	1,005,000	2,482,176
20	Nov 12, 2024 22:34	28,915	119,154,396	91,523,000	1,005,000	2,486,272
21	Nov 12, 2024 22:50	28,917	118,555,714	91,529,000	1,005,000	2,482,176
22	Nov 12, 2024 22:51	28,928	120,792,412	92,569,000	0	2,330,624
23	Nov 14, 2024 01:07	28,932	123,024,879	91,575,000	1,006,000	2,330,624
24	Nov 12, 2024 22:34	28,935	118,989,822	90,579,000	2,012,000	2,494,464
25	Nov 12, 2024 22:51	28,937	117,315,569	91,591,000	1,006,000	2,494,464
26	Nov 12, 2024 22:50	28,941	123,429,329	91,604,000	1,006,000	2,330,624
27	Nov 14, 2024 01:07	28,954	123,648,265	91,645,000	1,007,000	2,486,272
28	Nov 12, 2024 22:34	29,005	124,989,589	91,818,000	998,000	2,330,624
29	Nov 14, 2024 01:07	29,008	119,505,844	90,829,000	1,996,000	2,330,624
30	Nov 14, 2024 01:07	29,018	122,189,063	91,859,000	998,000	2,486,272

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1